PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Experiment??? carried out by Walter Pahnke in 1962,1 the second was a study on the long-term effects of psilocybin by Roland Griffiths in 2006.2,15
http://www.w3.org/ns/prov#wasQuotedFrom
  • skeptiko.com